locking primitives · Maintained

Maintainers

• M Peter Zijlstra <peterz@infradead.org>
• M Ingo Molnar <mingo@redhat.com>
• M Will Deacon <will@kernel.org>
• M Boqun Feng <boqun@kernel.org>
• R Waiman Long <longman@redhat.com>

Paths

• F Documentation/locking/
• F arch/*/include/asm/spinlock*.h
• F include/linux/local_lock*.h
• F include/linux/lockdep*.h
• F include/linux/mutex*.h
• F include/linux/rwlock*.h
• F include/linux/rwsem*.h
• F include/linux/seqlock.h
• F include/linux/spinlock*.h
• F kernel/locking/
• F lib/locking*.[ch]
• F rust/helpers/mutex.c
• F rust/helpers/spinlock.c
• F rust/kernel/sync/lock.rs
• F rust/kernel/sync/lock/
• F rust/kernel/sync/locked_by.rs
• X kernel/locking/locktorture.c

Last 30 days

Active reviewers (last 30 days)

• <hidden>
  2 attestations (2 Reported-by) · last on 2026-08-25

Recent patches

Most-recent 30 patches in this subsystem on netdev (capped at 30), ordered by date desc.

• COOLING6d Re: [PATCH] locking/lockdep: Invalidate stale class_cache entries for zapped classes
  2026-08-25 · Hillf Danton <hidden>
• COOLING6d [PATCH] locking/lockdep: Invalidate stale class_cache entries for zapped classes
  2026-08-24 · Eric Dumazet <edumazet@google.com>
• COLD21d [PATCH 8/9] locking/lockdep: Shrink static list_entries array to early bootstrap buffer
  2026-08-17 · Jim Cromie via B4 Relay <devnull+jim.cromie.gmail.com@kernel.org>
• COLD21d [PATCH 9/9] locking/lockdep: Migrate and compact boot-time dependency graph from __initdata
  2026-08-17 · Jim Cromie via B4 Relay <devnull+jim.cromie.gmail.com@kernel.org>
• COLD21d [PATCH 7/9] locking/lockdep: Traverse adjacency lists directly in zap_class()
  2026-08-17 · Jim Cromie via B4 Relay <devnull+jim.cromie.gmail.com@kernel.org>
• COLD21d [PATCH 6/9] locking/lockdep: Fallback to folio_pool in alloc_list_entry when static pool is full
  2026-08-17 · Jim Cromie via B4 Relay <devnull+jim.cromie.gmail.com@kernel.org>
• COOLING8d [PATCH v19 29/40] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• COOLING8d [PATCH v19 24/40] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• COOLING8d [PATCH v19 04/40] dept: tie to lockdep and IRQ tracing
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• STALE69d [PATCH v3 5/7] kernel: Use mutable list iterators
  2026-06-22 · Kaitao Cheng <hidden>
• STALE87d REVIEWED: 46 (46M) [PATCH v4] rust: make `build_assert` module the home of related macros
  2026-06-09 · Gary Guo <gary@kernel.org>
• STALE98d [PATCH] nios2: remove the architecture
  2026-05-18 · Ethan Nelson-Moore <hidden>
• STALE162d [PATCH v3 4/4] rust: make `build_assert` module the home of related macros
  2026-03-19 · Gary Guo <gary@kernel.org>
• STALE175d [PATCH v2 4/4] rust: make `build_assert` module the home of related macros
  2026-03-16 · Gary Guo <gary@kernel.org>
• STALE173d [PATCH v2 2/2] tree-wide: rename do_exit() to task_exit()
  2026-03-10 · Christian Brauner <brauner@kernel.org>
• STALE64d [PATCH v18 29/42] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE64d [PATCH v18 24/42] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE64d [PATCH v18 04/42] dept: tie to lockdep and IRQ tracing
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE281d Re: [PATCH v17 28/47] dept: add documentation for dept
  2025-10-03 · Bagas Sanjaya <hidden>
• STALE281d [PATCH v17 33/47] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE281d [PATCH v17 27/47] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE281d [PATCH v17 05/47] dept: tie to lockdep and IRQ tracing
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE362d [PATCH v2 13/13] Documentation: checkpatch: Convert kernel docs references
  2025-09-10 · Bagas Sanjaya <hidden>
• STALE370d [PATCH 14/14] Documentation: checkpatch: Convert kernel docs references
  2025-08-29 · Bagas Sanjaya <hidden>
• STALE430d REVIEWED: 36 (36M) [PATCH v13 5/5] rust: remove core::ffi::CStr reexport
  2025-07-01 · Tamir Duberstein <hidden>
• STALE430d REVIEWED: 31 (31M) [PATCH v13 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-07-01 · Tamir Duberstein <hidden>
• STALE430d REVIEWED: 31 (31M) [PATCH v13 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-07-01 · Tamir Duberstein <hidden>
• STALE424d [PATCH 8/8] locking/lockdep: Use shazptr to protect the key hashlist
  2025-06-25 · Boqun Feng <hidden>
• STALE424d [PATCH 5/8] shazptr: Allow skip self scan in synchronize_shaptr()
  2025-06-25 · Boqun Feng <hidden>
• STALE424d [PATCH 4/8] shazptr: Avoid synchronize_shaptr() busy waiting
  2025-06-25 · Boqun Feng <hidden>